First Gaming PC Build, will it work?

[Kalestein]

Gskill Aegis (2) 4GB Single DDR4 2400 CL15 (F4-2400C15S-4GIS)
Asrock B250M Pro4
Intel Pentium G4560 3.5 ghz 2-core Processor
Palit GTX 1050 Ti StormX 4GB
Seasonic S12II 620W 80PLUS Bronze

 

[drumslayer]

I'm assuming you have a hard drive and case picked out too? You'll need those. Otherwise, that will work fine. That PSU is ready for you to upgrade in the future if needed.